<template>
  <div class="about">
    <!-- home/index.vue -->
    <el-container>
      <!-- 左导航 -->
      <NavMenu />
      <el-container>
        <el-header>
          <Breadcrumb />
          <el-button class="exit" type="primary" @click="goBack()">退出</el-button>
        </el-header>
        <el-main><router-view></router-view></el-main>
      </el-container>
    </el-container>
  </div>
</template>

<script>
import NavMenu from './navMenu.vue';
import Breadcrumb  from './breadcrumb.vue';
export default {
  data() {
    return {};
  },
  methods: {
    goBack() {
      this.$router.push('/login')
    }
  },
  components: { NavMenu,Breadcrumb }
}
</script>

<style>

.el-header,
.el-footer {
  background-color: #E9EEF3;
  color: #333;
  text-align: center;
  line-height: 60px;
}

.el-aside {
  background-color: #D3DCE6;
  color: #333;
  text-align: center;
  line-height: 200px;
}

.el-main {
  background-color: #E9EEF3;
  color: #333;
  text-align: center;
  line-height: 160px;
}

body>.el-container {
  margin-bottom: 40px;
}

.el-container:nth-child(5) .el-aside,
.el-container:nth-child(6) .el-aside {
  line-height: 260px;
}

.el-container:nth-child(7) .el-aside {
  line-height: 320px;
}
</style>